[libxml2] Skip EBCDIC tests if EBCDIC isn't supported

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 4b4135977e82b7c9d3bba87a24fb7b5609312e14
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Tue Oct 31 17:17:16 2017 +0100

    Skip EBCDIC tests if EBCDIC isn't supported
    
    Fixes bug 603432.

 runtest.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/runtest.c b/runtest.c
index 6201a66..605c1d1 100644
--- a/runtest.c
+++ b/runtest.c
@@ -26,6 +26,7 @@
 #include <libxml/parserInternals.h>
 #include <libxml/tree.h>
 #include <libxml/uri.h>
+#include <libxml/encoding.h>
 
 #ifdef LIBXML_OUTPUT_ENABLED
 #ifdef LIBXML_READER_ENABLED
@@ -4412,6 +4413,9 @@ launchTests(testDescPtr tst) {
     char *result;
     char *error;
     int mem;
+    xmlCharEncodingHandlerPtr ebcdicHandler;
+
+    ebcdicHandler = xmlGetCharEncodingHandler(XML_CHAR_ENCODING_EBCDIC);
 
     if (tst == NULL) return(-1);
     if (tst->in != NULL) {
@@ -4422,6 +4426,9 @@ launchTests(testDescPtr tst) {
        for (i = 0;i < globbuf.gl_pathc;i++) {
            if (!checkTestFile(globbuf.gl_pathv[i]))
                continue;
+            if ((ebcdicHandler == NULL) &&
+                (strstr(globbuf.gl_pathv[i], "ebcdic") != NULL))
+                continue;
            if (tst->suffix != NULL) {
                result = resultFilename(globbuf.gl_pathv[i], tst->out,
                                        tst->suffix);
@@ -4487,6 +4494,9 @@ launchTests(testDescPtr tst) {
            err++;
        }
     }
+
+    xmlCharEncCloseFunc(ebcdicHandler);
+
     return(err);
 }